Coal mine underground long-distance roadway guniting device

By designing an automated spraying device and using an electric winder and an automatic adjustment system, the problems of uneven spraying and cumbersome operation in the existing technology are solved, and uniformity and automated operation of spraying are achieved.

CN222363001UActive Publication Date: 2025-01-17GUIZHOU PROVINCE PAN COUNTY ZISENYUAN GRP IND DEV INVESTMENT
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202420922762.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2025-01-17
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

The existing coal mine underground long-distance tunnel spraying device requires manual grasp of the spray head for spraying, resulting in uneven spraying and cumbersome operation.

Method used

A grouting device for long-distance tunnels in coal mines is designed. Through an electric rewinder and an automatic adjustment system, the automatic movement and angle adjustment of the grouting port can be realized to avoid manual operation.

Benefits of technology

It achieves the uniformity and automated operation of spray grouting, improves the convenience and practicality of the equipment, and reduces the tediousness of manual operations.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222363001U_ABST
    Figure CN222363001U_ABST
Patent Text Reader

Abstract

The utility model discloses an underground coal mine long-distance roadway guniting device, and relates to the technical field of underground coal mine guniting, the underground coal mine long-distance roadway guniting device comprises a bottom plate, a connecting groove is fixedly installed in the middle of one side of the bottom plate, an inserting plate is movably connected in the connecting groove, a side plate is fixedly installed on one side of the inserting plate, and the side plate is movably connected with the connecting groove. A supporting plate is fixedly installed at the bottom of the side plate, four moving wheels are fixedly installed on the periphery of the bottom of the supporting plate, and a fixed handle is fixedly installed in the middle of one side of the supporting plate. According to the underground coal mine long-distance roadway guniting device, four moving wheels at the bottom of a supporting plate can be driven to move by pulling a fixed handle so that a guniting opening can be driven to move to a designated position, the horizontal angle of the guniting opening can be adjusted through rotation of a mounting rotating shaft, and the vertical angle can be adjusted through rotation of a connecting rotating shaft; therefore, automatic guniting is facilitated, the problem of non-uniform guniting is avoided, and the practicability of the underground coal mine long-distance roadway guniting device is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of underground coal mine grouting, in particular to an underground long-distance tunnel grouting device for a coal mine. Background Art

[0002] At present, anchor spraying support is a commonly used support form for underground coal mine tunnels. The commonly used spraying device is a small and light pneumatic concrete spraying machine, but its spraying distance is rated. However, for most newly excavated tunnels in coal mines, due to the limitations of working space and material transportation, the spraying machine needs to spray over a long distance.

[0003] The existing Chinese utility model patent with reference announcement number: CN214330643U discloses a long-distance tunnel shotcreting device in a coal mine, comprising a shotcrete machine, a discharge port of the shotcrete machine is connected to a plurality of feed pipes connected in series with each other, a nozzle is arranged at the discharge port of the feed pipe, a horizontal plate is clamped at the center position of one side of the shotcrete machine, vertical plates are fixedly installed at the center positions of both sides of the upper surface of the horizontal plate, a bearing is fixedly installed at the center position above the vertical plate, a rotating rod is fixedly installed in the bearing, a take-up wheel is fixedly installed on the rotating rod, an L-shaped plate is fixedly installed at the center position of one side of the horizontal plate, and a motor is fixedly installed above one side of the L-shaped plate. The long-distance tunnel shotcreting device in a coal mine can automatically collect and store the feed pipes by arranging the horizontal plate, the vertical plate, the bearing, the rotating rod, the take-up wheel, the L-shaped plate and the motor, thereby avoiding the trouble of manual collection, and at the same time preventing the feed pipes from being entangled and occupying space, preventing people from stepping on the feed pipes, and ensuring the normal operation of people and the feed pipes.

[0004] Although the above-mentioned coal mine underground long-distance tunnel spraying device solves the problems of storage and inability to automatically collect the feed pipe in the prior art by setting up horizontal plates, vertical plates, bearings, rotating rods, take-up wheels, L-shaped plates and motors, the above-mentioned equipment needs to manually grasp the nozzle for spraying during spraying, which easily leads to uneven spraying and the operation is relatively cumbersome. Utility Model Content

[0005] The purpose of the utility model is to overcome the problems of inconvenient operation and manual grouting and uneven grouting in the prior art, and to provide a long-distance tunnel grouting device in a coal mine. The utility model is simple to use, has a firm structure and is easy to use.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A long-distance tunnel shotcreting device in a coal mine, comprising:

[0008] A bottom plate, a connecting groove is fixedly installed in the middle of one side of the bottom plate, and the connecting groove is in the shape of a "mouth", an insertion plate is movably connected inside the connecting groove, a side plate is fixedly installed on one side of the insertion plate, a supporting plate is fixedly installed on the bottom of the side plate, four moving wheels are fixedly installed around the bottom of the support plate, a fixed handle is fixedly installed in the middle of one side of the support plate, a mounting shaft is fixedly installed in the middle of the top of the support plate, a supporting groove is fixedly installed on the top of the mounting shaft, and the support groove is in the shape of a "U", two connecting shafts are fixedly installed on both sides of the inner top of the support groove, a fixing ring is fixedly installed on one side of the connecting shaft, and the fixing ring is in an annular shape, a clamp is movably connected to one side of the fixing ring, and a spraying port is movably connected to the inside of the fixing ring.

[0009] In a preferred embodiment, four universal wheels are fixedly installed around the bottom of the base plate, and a mounting handle is fixedly installed in the middle of one side of the base plate, and the mounting handle is a structure for pulling.

[0010] In a preferred embodiment, a spraying device body is fixedly installed on the top left side of the bottom plate, and a slurry outlet pipe is fixedly installed on one side of the spraying device body, and the slurry outlet pipe is a structure for discharging slurry.

[0011] In a preferred embodiment, an electric reel is fixedly installed on one side of the slurry outlet pipe, and a conveying hose is fixedly installed inside the electric reel. The conveying hose is a structure for conveying slurry water.

[0012] In a preferred embodiment, a fixing groove is fixedly installed in the middle of the top of the connecting groove, and a support rod is movably connected inside the fixing groove, and the support rod is a supporting structure.

[0013] In a preferred embodiment, a connecting handle is fixedly installed on the top of the support rod, and a clamping block is fixedly installed on the bottom of the support rod, and the clamping block is a structure for fixing the support.

[0014] In a preferred embodiment, two springs are fixedly mounted on both sides of the top of the block, and the springs are structures for contraction and rebound.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The long-distance tunnel shotcreting device in the coal mine can be wound up or extended by an electric reel, and the insertion plate is inserted into the connection groove. The block can be driven to move upward by the slope of the bottom of the block, so that the insertion plate is inserted into the connection groove, and the block is driven to move upward by the contraction of the spring, and the insertion plate is fixed by the automatic rebound of the spring. By pulling the connection handle, the block can be driven to move upward to facilitate the removal of the insertion plate, thereby improving the convenience of the long-distance tunnel shotcreting device in the coal mine;

[0017] 2. The long-distance tunnel shotcreting device in the coal mine can drive the four moving wheels at the bottom of the support plate to move by pulling the fixed handle, so as to drive the shotcreting port to move to the specified position. The horizontal angle of the shotcreting port can be adjusted by rotating the installed shaft, and the vertical angle can be adjusted by rotating the connecting shaft, so as to automatically perform shotcreting, avoid the problem of uneven shotcreting, and improve the practicability of the long-distance tunnel shotcreting device in the coal mine. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the bottom plate in the utility model;

[0020] Figure 3 It is a schematic diagram of the connection groove in the utility model;

[0021] Figure 4 It is a schematic diagram of the insertion plate in the utility model;

[0022] Figure 5 It is a schematic diagram of the installation shaft in the utility model.

[0023] 1. Bottom plate; 11. Universal wheel; 12. Mounting handle; 13. Spraying device body; 14. Slurry outlet pipe; 15. Electric reel; 16. Delivery hose; 2. Connecting groove; 21. Fixed groove; 22. Support rod; 23. Connecting handle; 24. Block; 25. Spring; 3. Insert plate; 31. Side plate; 32. Support plate; 33. Moving wheel; 34. Fixed handle; 4. Mounting shaft; 41. Support groove; 42. Connecting shaft; 43. Fixed ring; 44. Clamp; 45. Spraying port. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Combined with Figure 1-5 In this embodiment, a long-distance tunnel shotcreting device in a coal mine includes: a bottom plate 1, four universal wheels 11 are fixedly installed around the bottom of the bottom plate 1, and a mounting handle 12 is fixedly installed in the middle of one side of the bottom plate 1.

[0026] A spraying device body 13 is fixedly mounted on the left side of the top of the bottom plate 1 , and a slurry outlet pipe 14 is fixedly mounted on one side of the spraying device body 13 .

[0027] An electric reel 15 is fixedly installed on one side of the pulp outlet pipe 14 , and a conveying hose 16 is fixedly installed inside the electric reel 15 .

[0028] Specifically, by pulling the mounting handle 12 , the four universal wheels 11 at the bottom of the base plate 1 can be driven to move, and through the operation of the spraying device body 13 , the slurry can be delivered from the slurry outlet pipe 14 into the interior of the conveying hose 16 in the electric reel 15 .

[0029] A connecting groove 2 is fixedly installed in the middle of one side of the bottom plate 1, and the connecting groove 2 is in a "mouth" shape. A fixing groove 21 is fixedly installed in the middle of the top of the connecting groove 2, and a supporting rod 22 is movably connected inside the fixing groove 21.

[0030] A connecting handle 23 is fixedly mounted on the top of the support rod 22 , and a clamping block 24 is fixedly mounted on the bottom of the support rod 22 .

[0031] Two springs 25 are fixedly mounted on both sides of the top of the clamping block 24 .

[0032] Specifically, by pulling the connecting handle 23 , the spring 25 can be contracted, thereby driving the clamping block 24 to move upward inside the fixing groove 21 , thereby disengaging from the clamping of the insertion plate 3 , so as to facilitate the removal of the insertion plate 3 .

[0033] An insertion plate 3 is movably connected inside the connecting groove 2, a side plate 31 is fixedly installed on one side of the insertion plate 3, a support plate 32 is fixedly installed on the bottom of the side plate 31, four moving wheels 33 are fixedly installed around the bottom of the support plate 32, and a fixed handle 34 is fixedly installed in the middle of one side of the support plate 32.

[0034] Specifically, by pulling the fixed handle 34 , the four moving wheels 33 at the bottom of the support plate 32 can be driven to move, so as to support and adjust the position of the spraying port 45 , and support the insertion plate 3 through the side plate 31 .

[0035] A mounting shaft 4 is fixedly installed in the middle of the top of the support plate 32, a support groove 41 is fixedly installed on the top of the mounting shaft 4, the support groove 41 is in a "U" shape, two connecting shafts 42 are fixedly installed on both sides of the inner top of the support groove 41, a fixing ring 43 is fixedly installed on one side of the connecting shaft 42, the fixing ring 43 is in a ring shape, a clamping part 44 is movably connected to one side of the fixing ring 43, and a spraying port 45 is movably connected to the inside of the fixing ring 43.

[0036] Specifically, the nozzle 45 can be clamped by the fixed handle 34 on one side of the inner side of the fixed ring 43, the support groove 41 can be driven to rotate by the rotation of the mounting shaft 4, and the spraying nozzle 45 can be driven to rotate by the rotation of the connecting shaft 42, so as to adjust the position of the spraying nozzle 45 and avoid uneven spraying.

[0037] Working principle: First, by pushing the fixed handle 34, the four moving wheels 33 around the bottom of the support plate 32 can be moved, so that the insertion plate 3 is inserted into the interior of the connecting groove 2. Through the slope of the block 24, the block 24 can be moved upward by the contraction of the spring 25, so that the insertion plate 3 is inserted into the interior of the connecting groove 2. After the insertion plate 3 is inserted, the block 24 is pushed to rebound automatically by the spring 25, so that the insertion plate 3 is supported and fixed. By pulling the installation handle 12, the four universal wheels 11 around the bottom of the bottom plate 1 can be driven to move, so that the long-distance tunnel shotcreting device in the coal mine can be moved to the designated position. Through the operation of the shotcreting device body 13, the slurry water is sent from the slurry outlet pipe 14 to the inside of the conveying hose 16 in the middle of the electric reel 15, so as to transport the slurry water. By pulling the connecting handle 23 upward, the spring 25 can be made to retract. The clamping member 44 is used to hold the grouting port 45 in place and the grouting port 45 is moved to the position where grouting is required.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A long-distance tunnel shotcreting device in a coal mine, characterized in that: The long-distance tunnel shotcreting device in a coal mine comprises a bottom plate (1), a connecting groove (2) is fixedly installed in the middle of one side of the bottom plate (1), the connecting groove (2) is in the shape of a "mouth", an insert plate (3) is movably connected inside the connecting groove (2), a side plate (31) is fixedly installed on one side of the insert plate (3), a support plate (32) is fixedly installed at the bottom of the side plate (31), four moving wheels (33) are fixedly installed around the bottom of the support plate (32), a fixed handle (34) is fixedly installed in the middle of one side of the support plate (32), and the A mounting shaft (4) is fixedly installed in the middle of the top of the support plate (32); a supporting groove (41) is fixedly installed on the top of the mounting shaft (4); the supporting groove (41) is in a "U" shape; two connecting shafts (42) are fixedly installed on both sides of the top of the support groove (41); a fixing ring (43) is fixedly installed on one side of the connecting shaft (42); the fixing ring (43) is in a ring shape; a clamping piece (44) is movably connected to one side of the fixing ring (43); and a grouting port (45) is movably connected to the inside of the fixing ring (43).

2. A long-distance tunnel grouting device for underground coal mines according to claim 1, characterized in that: Four universal wheels (11) are fixedly mounted around the bottom of the base plate (1), and a mounting handle (12) is fixedly mounted in the middle of one side of the base plate (1).

3. A long-distance tunnel shotcreting device for underground coal mines according to claim 2, characterized in that: A spraying device body (13) is fixedly mounted on the left side of the top of the base plate (1), and a slurry outlet pipe (14) is fixedly mounted on one side of the spraying device body (13).

4. A long-distance tunnel shotcreting device for underground coal mines according to claim 3, characterized in that: An electric reel (15) is fixedly mounted on one side of the pulp outlet pipe (14), and a conveying hose (16) is fixedly mounted inside the electric reel (15).

5. The long-distance tunnel grouting device for underground coal mines according to claim 1, characterized in that: A fixing groove (21) is fixedly installed in the middle of the top of the connecting groove (2), and a supporting rod (22) is movably connected inside the fixing groove (21).

6. The long-distance tunnel grouting device for underground coal mines according to claim 5, characterized in that: A connecting handle (23) is fixedly mounted on the top of the support rod (22), and a clamping block (24) is fixedly mounted on the bottom of the support rod (22).

7. A long-distance tunnel shotcreting device for underground coal mines according to claim 6, characterized in that: Two springs (25) are fixedly mounted on both sides of the top of the clamping block (24).

Citation Information

Patent Citations

  • Coal mine underground long-distance roadway guniting device

    CN214330643U